src/mesa/state_tracker/st_context.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "main/imports.h"
  29 #include "main/context.h"
  30 #include "main/extensions.h"
  31 #include "vbo/vbo.h"
  32 #include "st_public.h"
  33 #include "st_context.h"
  34 #include "st_cb_accum.h"
  35 #include "st_cb_bufferobjects.h"
  36 #include "st_cb_clear.h"
  37 #include "st_cb_drawpixels.h"
  38 #include "st_cb_fbo.h"
  39 #include "st_cb_feedback.h"
  40 #include "st_cb_queryobj.h"
  41 #include "st_cb_rasterpos.h"
  42 #include "st_cb_readpixels.h"
  43 #include "st_cb_texture.h"
  44 #include "st_cb_flush.h"
  45 #include "st_cb_strings.h"
  46 #include "st_atom.h"
  47 #include "st_draw.h"
  48 #include "st_program.h"
  49 #include "pipe/p_context.h"
  50 #include "pipe/draw/draw_context.h"
  51 #include "pipe/cso_cache/cso_cache.h"
  52
  53
  54 /**
  55  * Called via ctx->Driver.UpdateState()
  56  */
  57 void st_invalidate_state(GLcontext * ctx, GLuint new_state)
  58 {
  59    struct st_context *st = st_context(ctx);
  60
  61    st->dirty.mesa |= new_state;
  62    st->dirty.st |= ST_NEW_MESA;
  63
  64    /* This is the only core Mesa module we depend upon.
  65     * No longer use swrast, swsetup, tnl.
  66     */
  67    _vbo_InvalidateState(ctx, new_state);
  68 }
  69
  70
  71 struct st_context *st_create_context2(struct pipe_context *pipe,
  72                                       const GLvisual *visual,
  73                                       struct st_context *share)
  74 {
  75    GLcontext *ctx;
  76    GLcontext *shareCtx = share ? share->ctx : NULL;
  77    struct dd_function_table funcs;
  78
  79    memset(&funcs, 0, sizeof(funcs));
  80    st_init_driver_functions(&funcs);
  81
  82    ctx = _mesa_create_context(visual, shareCtx, &funcs, NULL);
  83
  84    return st_create_context(ctx, pipe);
  85 }
  86
  87
  88 struct st_context *st_create_context( GLcontext *ctx,
  89                                       struct pipe_context *pipe )
  90 {
  91    struct st_context *st = CALLOC_STRUCT( st_context );
  92
  93    ctx->st = st;
  94
  95    st->ctx = ctx;
  96    st->pipe = pipe;
  97
  98    /* state tracker needs the VBO module */
  99    _vbo_CreateContext(ctx);
 100
 101    st->draw = draw_create(); /* for selection/feedback */
 102
 103    st->dirty.mesa = ~0;
 104    st->dirty.st = ~0;
 105
 106    st->cache = cso_cache_create();
 107
 108    st_init_atoms( st );
 109    st_init_draw( st );
 110
 111    /* we want all vertex data to be placed in buffer objects */
 112    vbo_use_buffer_objects(ctx);
 113
 114    /* Need these flags:
 115     */
 116    st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 117    st->ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
 118
 119    st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 120
 121    st->haveFramebufferRegions = GL_TRUE;
 122
 123    st->pixel_xfer.cache = _mesa_new_program_cache();
 124
 125    /* XXXX This is temporary! */
 126    _mesa_enable_sw_extensions(ctx);
 127
 128    return st;
 129 }
 130
 131
 132 void st_destroy_context2( struct st_context *st )
 133 {
 134    GLcontext *ctx = st->ctx;
 135    _mesa_free_context_data(ctx);
 136    st_destroy_context(st);
 137    free(ctx);
 138 }
 139
 140
 141 void st_destroy_context( struct st_context *st )
 142 {
 143    draw_destroy(st->draw);
 144    st_destroy_atoms( st );
 145    st_destroy_draw( st );
 146
 147    _vbo_DestroyContext(st->ctx);
 148
 149    cso_cache_delete( st->cache );
 150
 151    _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
 152
 153    st->pipe->destroy( st->pipe );
 154    FREE( st );
 155 }
 156
 157
 158
 159 void st_init_driver_functions(struct dd_function_table *functions)
 160 {
 161    st_init_accum_functions(functions);
 162    st_init_bufferobject_functions(functions);
 163    st_init_clear_functions(functions);
 164    st_init_drawpixels_functions(functions);
 165    st_init_fbo_functions(functions);
 166    st_init_feedback_functions(functions);
 167    st_init_program_functions(functions);
 168    st_init_query_functions(functions);
 169    st_init_rasterpos_functions(functions);
 170    st_init_readpixels_functions(functions);
 171    st_init_texture_functions(functions);
 172    st_init_flush_functions(functions);
 173    st_init_string_functions(functions);
 174
 175    functions->UpdateState = st_invalidate_state;
 176 }